Companies House is the UK government's official register of companies. Every limited company in England, Wales, Scotland, and Northern Ireland must register there.
How it works
Enter a company name or registration
Enter a company name or registration number in the search box, then run the search. This helps you move from a quick search to verified company details you can actually use for due diligence, prospecting, and compliance checks.Open a result to load full
Open a result to load full company details from our database (sourced from official registers where available). This helps you move from a quick search to verified company details you can actually use for due diligence, prospecting, and compliance checks.Use the verified fields for due
Use the verified fields for due diligence, sales, or compliance. No signup required. This helps you move from a quick search to verified company details you can actually use for due diligence, prospecting, and compliance checks.
Use cases
UK due diligence
verify a British company before signing contracts
KYB compliance
confirm UK business registration during onboarding
Sales prospecting
look up UK company details for outreach
Supplier verification
check a UK supplier's registration status and legal type
FAQ
Enter a company name or registration number in the search box above for instant results. Alternatively, visit companieshouse.gov.uk directly.
Company name, registration number, address, SIC code, legal type, incorporation date, directors, and filing status.
A unique 8-digit number assigned to every UK company at registration. Also called a company registration number or CRN.
This tool returns enriched data including revenue estimates, employee counts, and industry classifications not available from Companies House alone.
Integrate verified company data into your product with the Bold API: bulk lookups, webhooks, and full field access.